Chilaquiles with Salsa Verde

INGREDIENTS

• 1 lb. tomatillos, husked and rinsed
• 4 serrano chilies
• 2 garlic cloves
• 1/2 white onion, coarsely chopped, plus 1 or
• more thin white onion slices, separated into rings
• 1 Tbs. canola or safflower oil
• 1/2 tsp. sea salt, plus more, to taste
• 1/2 lb. thick tortilla chips, homemade (see
• related recipe at right) or purchased (about 8
• cups)
• 1/4 cup coarsely chopped fresh cilantro
• 1 cup
• 1/2 cup crumbled
• or mild feta cheese